Basics About SAP PI 7.1

Basics about SAP PI 7.11

Today’s Topics: 

Basic Architecture of PI System

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Message flow in PI System

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Pipeline Steps in Message Processing

Basic Architecture of PI System

Adapters in PI System 

What is an adapter?

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Why an adapter is required?

Message flow

Different type of Pipelines

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SENDER – Present in Sender System

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RECEIVER – Present in Receiver System

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BACK – Used for Acknowledgements

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WS_SENDER – Web Service Sender

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WS_RECEIVER – Web Service Receiver

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CENTRAL – Central Pipeline for Integration Server

Pipeline Steps in IS

Pipeline Steps in IS (Cont.…) 

XML Validation : 

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Used to validate the payload of a message with the structure defined in ESR.

Logical Routing, Message Split and Mapping: 

Combination of Receiver Determination and Interface determination.

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If more than one receiver or interface is identified, message split happens in case of asynchronous messages and message fails in case of synchronous messages.

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Message ID of parent message is stored for traceability.

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Corresponding mapping is also performed in the Interface determination step.

Technical Routing and Call Adapter: 

Defines how receiver message is to be sent.

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Communication channel is referenced by receiver agreement and message is sent using corresponding adapter

Pipeline Steps in IS (Cont.…)